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230119902 = 23231814019
BaseRepresentation
bin11011011011101…
…01100111011110
3121001000022011100
431231311213132
5432402314102
634500133530
75462662335
oct1555654736
9531008140
10230119902
11108995541
12650972a6
13388a1a2c
14227c2d1c
1515308a1c
hexdb759de

230119902 has 24 divisors (see below), whose sum is σ = 498873960. Its totient is φ = 76663440.

The previous prime is 230119889. The next prime is 230119927. The reversal of 230119902 is 209911032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55249 + ... + 59267.

It is an arithmetic number, because the mean of its divisors is an integer number (20786415).

Almost surely, 2230119902 is an apocalyptic number.

230119902 is an abundant number, since it is smaller than the sum of its proper divisors (268754058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230119902 is a wasteful number, since it uses less digits than its factorization.

230119902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208 (or 7205 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 230119902 is about 15169.7034249190. The cubic root of 230119902 is about 612.7990172361.

The spelling of 230119902 in words is "two hundred thirty million, one hundred nineteen thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 3181 4019 6362 8038 9543 12057 19086 24114 28629 36171 57258 72342 12784439 25568878 38353317 76706634 115059951 230119902